Home / 753,685.48-1,040,091.78-414,159.40

Finding the Fourth Proportional to 753,685.48, 1,040,091.78 and 414,159.40

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Solution

The fourth proportional to 753,685.48, 1,040,091.78 and 414,159.40 is: 571,543.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,685.48 : 1,040,091.78 = 414,159.40 : x
  2. Step 2: Convert to fraction form
    753,685.48/1,040,091.78 = 414,159.40/x
  3. Step 3: Cross multiply
    753,685.48x = 1,040,091.78 × 414,159.40
  4. Step 4: Simplify right side
    753,685.48x = 430,763,787,549.73
  5. Step 5: Solve for x
    x = 430,763,787,549.73/753,685.48
  6. Step 6: Final answer
    x = 571,543.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.